The HV830LG is a monolithic high voltage LED driver designed by Supertex, Inc. This device is specifically tailored for driving LED lamps and displays, offering a comprehensive solution for various lighting applications. It integrates essential functionalities like a high-voltage start-up circuit, a dimming control interface, and comprehensive protection features, ensuring efficient and reliable LED operation.

Applications

• LED lighting fixtures (e.g., LED bulbs, tubes, and panels)
• Architectural lighting
• Decorative lighting
• Automotive lighting (e.g., tail lights, brake lights, and headlights)
• Backlighting for LCD displays

Features

• High-voltage start-up: Allows direct connection to a high-voltage DC bus.
• Integrated protection features: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown to safeguard the IC and the LEDs.
• Analog dimming control: Enables precise brightness control of the LEDs.
• Wide input voltage range: Accommodates a wide range of input voltage levels, enhancing application versatility.
• Low standby power consumption: Minimizes power consumption when the LEDs are off or dimmed to a low level.
• Frequency Jittering: Improves EMI performance.

Benefits

• Increased efficiency: The HV830LG optimizes LED current regulation, leading to higher energy efficiency and reduced power consumption.
• Enhanced reliability: The integrated protection features ensure reliable operation and prevent damage to the LEDs and the driver IC.
• Simplified design: The monolithic design reduces the number of external components required, simplifying the overall system design.
• Precise dimming control: The analog dimming interface allows for smooth and accurate brightness adjustment.
• Cost-effective solution: The integrated features and simplified design contribute to a cost-effective LED driver solution.

Additional Details

The HV830LG typically operates in buck topology. It supports both linear and PWM dimming methods. The device is available in a compact package, making it suitable for space-constrained applications. The operating temperature range is typically -40°C to +125°C, enabling use in harsh environments. Furthermore, the device complies with relevant industry standards for EMC and safety.